Since its founding in 1915, Denka has worked to contribute to social development and win the trust of society through manufacturing operations on chemical engineering. Denka have 2 subsidiary companies in Indonesia, PT. Hissan Trading Indonesia under management of Akros Trading Co., Ltd. Japan and PT. Estop Indonesia Under Management of Denka Chemical Construction Malaysia (Formerly known as ESTOP Sdn. Bhd) In connection with the restructuring plan and to maintain the quality of service in Indonesia, PT. Hissan Trading Indonesia as Denka Group Member, has appointed to be distributor of Denka and Estop brand in Indonesia. PT. Hissan Trading Indonesia will strive to fulfil customer needs using Japan advance technology in construction chemicals products. With the combination of DENKA and ESTOP technology, We are now geared up to provide absolute "Concrete Solutions" to the Indonesia Construction Business. PT. Hissan Trading Indonesia also aim to satisfy every need of customers by our broad networks with a variety of products ranging from standard materials to high-quality materials by Trading Business (Import & Export) of Chemical Raw Materials, Building and Civil Engineering Materials Tools, Machines and Measuring Instruments